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If I go for the popular -1 at the front and +1 at the rear gearing modification, will this have any sort of negative effect on the life of a new 520 (one of the strong DID ones) chain, in other words...will the gearing change put more strain on the chain?
Also, for anyone who's done this sort of mod...how many revs is the bike pulling at about 70MPH in 6th gear...?
Also, for anyone who's done this sort of mod...how many revs is the bike pulling at about 70MPH in 6th gear...?